.con .shangchuan{width: 95%;background: #FF0036;margin: 4vw auto;border-radius: 10px;line-height: 8vw;font-size: 4vw;color: #fff;text-align: center;}
.part .title{width: 100%;padding: 0 2%;background: #E0E0E0;font-size: 4vw;}
.part .item{width: 33.3%;float: left;padding: 2vw;position: relative;}
.part .item img{width: 100%;height: 100%;}
.part .item .download{background: #058;color: #fff;width: 80%;height:5vw;position: absolute;right: 2vw;top:2vw;line-height: 5vw;}
.part .item .desc{color: #666;}
 